1. University Medical Center Rostock, Institute for Biomedical Engineering , Friedrich-Barnewitz-Str. 4 , Rostock , 18119 , Germany
2. Institute for ImplantTechnology and Biomaterials – IIB e.V. , Rostock-Warnemuende , Germany
3. Westkustenklinikum Heide, Institute of Diagnostic and Interventional Radiology/Neuroradiology , Heide , Schleswig-Holstein , Germany
4. Medical School , Sigmund Freud Private University Vienna , Vienna , Austria
5. University Medical Center Rostock, Institute for Biomedical Engineering , Rostock , Germany